Curriculum

PHP Basic

PHP Intro

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PHP Install

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PHP Syntax

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PHP Comments

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PHP Variables

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PHP echo / print

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PHP Data Types

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PHP Strings

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PHP Numbers

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PHP Casting

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PHP Math

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PHP Constants

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PHP Functions

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PHP Superglobals

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PHP RegEx

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PHP Form

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PHP Advanced

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PHP OOP

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MySQL Database

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PHP XML

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PHP Reference

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Text lesson

cal_days_in_month()

Example

Retrieve the number of days in a month for a given year and calendar.

<?php
$d=cal_days_in_month(CAL_GREGORIAN,10,2005);
echo “There was $d days in October 2005”;
?>

Definition and Usage

The cal_days_in_month() function returns the number of days in a month for a specified year and calendar system.

Syntax

cal_days_in_month(calendar,month,year);

Parameter Values

Parameter	Description
calendar	Required. Specifies the calendar to use. Refer to the PHP Calendar Constants for available options.
month	Required. Specifies the month in the chosen calendar.
year	Required. Specifies the year in the chosen calendar.

Technical Details

Return Value:	The number of days in the specified month for the given year and calendar.
PHP Version:	4.1+